26168166616 has 16 divisors (see below), whose sum is σ = 49616609400. Its totient is φ = 12937070784.

The previous prime is 26168166599. The next prime is 26168166631. The reversal of 26168166616 is 61666186162.

It is a self number, because there is not a number n which added to its sum of digits gives 26168166616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18375810 + ... + 18377233.

Almost surely, 2^26168166616 is an apocalyptic number.

It is an amenable number.

26168166616 is a deficient number, since it is larger than the sum of its proper divisors (23448442784).

26168166616 is a wasteful number, since it uses less digits than its factorization.

26168166616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36753138 (or 36753134 counting only the distinct ones).

The product of its digits is 746496, while the sum is 49.

The spelling of 26168166616 in words is "twenty-six billion, one hundred sixty-eight million, one hundred sixty-six thousand, six hundred sixteen".